2010 TOYOTA TUNDRA engine

102 1-4. Opening and closing the windows and moon roof
■The power back window can be operated when
The engine switch is in the ON position.
■ Operating the power back windows after turning the engine switch off
The power back windows can be operated for approximately 43 seconds
even after the engine switch is turned to the ACC position or turned off. They
cannot, however, be operated once either front door is opened.
CrewMax models
Opening
Closing

105
1-4. Opening and closing the windows and moon roof
1
Before driving
■
The moon roof can be operated when
The engine switch is in the ON position.
■ Door lock linked moon roof operation
The moon roof can be opened and closed using the key. ( P. 47)
■ Operating the moon roof after turning the engine switch off
The moon roof can be operated for approximately 43 seconds even after the
engine switch is turned to the ACC or turned off. It cannot, however, be oper-
ated once either front door is opened.
■ Jam protection function
If an object is detected between the moon roof and the frame while closing
or tilting down, travel is stopped and the moon roof opens slightly.
■ Tilt up and down
Tilt up
Tilt down
To stop partway, press the
switch lightly.

106 1-4. Opening and closing the windows and moon roof
■If the moon roof cannot be closed automatically
Keep the switch depressed.
■ Sunshade
The sunshade can be opened and closed manually. However, the sunshade
will open automatically when the moon roof is opened.
■ Moon roof open reminder function
An alarm will sound when the driver’s door is opened with the moon roof not
fully closed and the engine switch off.
■ When the battery is disconnected
The moon roof must be initialized in order to ensure proper operation.
Push and hold the switch toward the UP (tilt up) side or (sliding
close) side.
After the moon roof will tilt up and down, release the switch.
To ensure the initialization is complete, make sure automatic open-
ing and closing functions work properly.

109
1
Before driving
1-5. Refueling
Opening the fuel tank cap
Perform the following steps to open the fuel tank cap.
■Before refueling the vehicle
Turn the engine switch off and ensure that all the doors and win-
dows are closed.
■ Opening the fuel tank cap
Open the fuel filler door.
Turn the fuel tank cap slowly
to open.

110 1-5. Refueling
Closing the fuel tank capWhen installing the fuel tank cap,
turn it until you hear a click.
The cap will turn slightly to the
opposite direction when released.
Hang the fuel tank cap on the
back of the fuel filler door.
■Fuel types (Gasoline engine)
Use unleaded gasoline. (Octane rating 87 [Research Octane Number 91] or
higher)
■ Fuel types (Flex-fuel engine)
Use unleaded gasoline (Octane rating 87 [Research Octane Number 91] or
higher), E85, or a blend of these two fuels. ( P. 669)

111
1-5. Refueling
1
Before driving
■
Identifying flex-fuel vehicles
■ Fuel tank capacity
Approximately 26.4 gal. (100 L, 22.0 Imp. gal.)
■ E85 Fueling Stations (Flex-fuel vehicles)
E85 fueling stations and fuel pumps can be identified by the indication “E85
85% Ethanol”. For more information about fueling stations, please refer to
the U.S. Department of Energy Web site.
http://www.eere.energy.gov/afdc/infrastructure/locator.html
■ Refueling (Flex-fuel vehicles)
Observe the following precautions when switching fuels, in order to maintain
starting and driving performance.
●Do not change fuels when the fuel level is 1/4 or less.
● Always add at least 2.6 gal. (10 L) of fuel.
● After filling up with fuel, warm up the engine or drive the vehicle for at
least 5 minutes or 7 miles (11 km).
● Do not accelerate rapidly immediately after refueling.
●Flex-fuel vehicles can be identified by
the fuel tank cap, which is marked
“FLEXFUEL E85/GASOLINE”.

113
1-5. Refueling
1
Before driving
NOTICE
■
Refueling
Do not spill fuel during refueling.
Doing so may damage the vehicle, such as causing the exhaust systems to
operate abnormally or damaging fuel s ystem components or the vehicle’s
painted surface.
■ To prevent damage to the fuel filler door
Do not apply excessive force.
■ E85 fuel
E85 fuel can be used only in flex-fuel vehicles. Do not add E85 fuel to a gas-
oline-engine vehicle.
Filling a gasoline-engine vehicle with E85 will have a negative impact on
starting and driving performance and will cause damage to the fuel system
components.

114
1-6. Theft deterrent system
Engine immobilizer system
: If equipped
■System maintenance
The vehicle has a maintenance-free type engine immobilizer system.
■ Conditions that may cause the system to malfunction
●If the key is in contact with a metallic object
● If the key is in close proximity to or touching a key to the security system
(key with a built-in transponder chip) of another vehicle
The vehicle’s keys have built-in tr ansponder chips that prevent the
engine from starting if the key has not been previously registered in
the vehicle’s on-board computer.
Never leave the keys inside the vehicle when you leave the vehicle.
The indicator light flashes after
the key has been removed
from the engine switch to indi-
cate that the system is operat-
ing.
The indicator light stops flash-
ing after the registered key
has been inserted into the
engine switch to indicate that
the system has been can-
celed.